Arq up to 5.10 on Mac URL arq_updater access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Arq up to 5.10 on Mac. Affected by this vulnerability is an unknown functionality of the file arq_updater of the component URL Handler. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2017-16928. The attack can only be executed locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Arq up to 5.10 on Mac and classified as critical. This vulnerability affects an unknown code block of the file arq_updater of the component URL Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.

The bug was discovered 01/29/2018. The weakness was shared 01/31/2018 (Website). The advisory is shared for download at packetstormsecurity.com. This vulnerability was named CVE-2017-16928 since 11/23/2017. The attack needs to be approached locally. The requirement for exploitation is a single authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43925). The entry VDB-112685 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/23/2017 🔍
01/29/2018 +67 days 🔍
01/31/2018 +2 days 🔍
01/31/2018 +0 days 🔍
02/01/2018 +1 days 🔍
07/03/2024 +2344 days 🔍

Sourcesinfo

Advisory: 146158
Status: Not defined

CVE: CVE-2017-16928 (🔍)
GCVE (CVE): GCVE-0-2017-16928
GCVE (VulDB): GCVE-100-112684
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/01/2018 07:52
Updated: 07/03/2024 19:15
Changes: 02/01/2018 07:52 (60), 12/31/2019 16:00 (4), 02/03/2023 10:54 (4), 07/03/2024 19:15 (14)
Complete: 🔍
Cache ID: 216:57C:103

Once again VulDB remains the best source for vulnerability data.

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